Please wait while we load your page...

Tools

PHP Manual [DateTimeZone

Protect Your Website Today


PHP Manual || DateTimeZone

(PHP 5 >= 5.2.0, PHP 7)

DateTimeZone::getOffset -- timezone_offset_getReturns the timezone offset from GMT

Description

Object oriented style

public DateTimeZone::getOffset ( DateTimeInterface $datetime ) : int

Procedural style

timezone_offset_get ( DateTimeZone $object , DateTimeInterface $datetime ) : int

This function returns the offset to GMT for the date/time specified in the datetime parameter. The GMT offset is calculated with the timezone information contained in the DateTimeZone object being used.

Parameters

object

Procedural style only: A DateTimeZone object returned by timezone_open()

datetime

DateTime that contains the date/time to compute the offset from.

Return Values

Returns time zone offset in seconds on success or FALSE on failure.

Changelog

Version Description
5.5.19, 5.6.3 datetime type changed to DateTimeInterface. Previously, DateTime.

Examples

Example #1 DateTimeZone::getOffset() examples

<?php
// Create two timezone objects, one for Taipei (Taiwan) and one for
// Tokyo (Japan)
$dateTimeZoneTaipei = new DateTimeZone("Asia/Taipei");
$dateTimeZoneJapan = new DateTimeZone("Asia/Tokyo");

// Create two DateTime objects that will contain the same Unix timestamp, but
// have different timezones attached to them.
$dateTimeTaipei = new DateTime("now"$dateTimeZoneTaipei);
$dateTimeJapan = new DateTime("now"$dateTimeZoneJapan);

// Calculate the GMT offset for the date/time contained in the $dateTimeTaipei
// object, but using the timezone rules as defined for Tokyo
// ($dateTimeZoneJapan).
$timeOffset $dateTimeZoneJapan->getOffset($dateTimeTaipei);

// Should show int(32400) (for dates after Sat Sep 8 01:00:00 1951 JST).
var_dump($timeOffset);
?>



PHP Manual || DateTimeZone